code: def log_test_data(self):
      data = [
          dict(
              point=gs.array([0.3, 0.5]),
              base_point=gs.array([0.3, 0.3]),
              expected=gs.array([-0.01733576, 0.21958634]),
          )
      ]
      return self.generate_tests(data)
  
file_path: geomstats/tests/tests_geomstats/test_geometry/data/poincare_ball.py
imports: import geomstats.backend
  from geomstats.test.data import TestData
  from .base import VectorSpaceOpenSetTestData
  from .riemannian_metric import RiemannianMetricTestData
label_desc: Use image node_id 1 for calling the PoincareBall2MetricTestData obj's underlying member method code with example usage: obj.log_test_data() and returns: self